Solve 8 = 2x + 4.

x = - 4

x = - 1

x = 0

x = 7

How are natural elements different from other elements?

Nickel-Iron Battery In1901, Thomas Edison invented the nickel-iron battery. The following reaction takes place in the battery. Fe (s) + 2NiO (OH) (s) + 2H2O (1) - > Fe (OH) 2 (s) + 2Ni (OH) 2 (aq) How many mol of Fe (OH) 2 is produced when 5.

4. Which of the following is not a variable in the de Broglie equation? Planck's constant location O wavelength velocity

are chemical and physical properties of the new substance the same or diffrent after a chemical reaction

In the formula for barium chloride barium is written first because it is

An atom that contains 22 protons, 23 neutrons, and 22 electrons would have a mass of approximately

Compared with a ph of 7, a solution of ph 5 has what times/fraction of the hydrogen concentration?

Write a formulae equation to represent the combustion of carbon to form carbon dioxide and the thermal decomposition of magnesium carbonate

A5.00 liter ballon of gas at 25 degree Celsius is cool to 0 degrees Celsius. What is the volume (liters) of the ballon?

How much thermal energy (q) is required to heat 15.2 g of a metal (specific heat = 0.397 J/G) from 21.0 degrees C to 40.3 degree C